CAS number
CAS 34256-82-1 Acetochlor
CAS 34256-82-1 · EC 251-899-3 · Index No 616-037-00-6
Where CAS 34256-82-1 appears: every table entry that prints it among its identifiers, in the newest version of each act this record holds, and every recorded change to those entries. Many entries name a group of substances and print no number, so absence here is not absence from the law. Not legal advice.
Where it appears now
CLP Annex VI section 3, Index No 616-037-00-6
Last changed in the version detected · Annex VI on this site
| Index No | Chemical name | EC No | CAS No | Classification | Labelling | Specific Conc. Limits, M-factors and ATEs | Notes | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Hazard Class and Category Code(s) | Hazard statement Code(s) | Pictogram, Signal Word Code(s) | Hazard statement Code(s) | Suppl. Hazard statement Code(s) | ||||||
| 616-037-00-6 | acetochlor (ISO); 2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide | 251-899-3 | 34256-82-1 | Carc. 2 Repr. 2 Acute Tox. 4 STOT SE 3 STOT RE 2 Skin Irrit. 2 Skin Sens. 1 Aquatic Acute 1 Aquatic Chronic 1 | H351 H361f H332 H335 H373 (kidney) H315 H317 H400 H410 | GHS08 GHS07 GHS09 Wng | H351 H361f H332 H335 H373 (kidney) H315 H317 H410 | M = 1000 M = 100 | ||
CLP Annex VI section 3, table 2, Index No 616-037-00-6
No change to this entry since the first version the record holds, in force 1 December 2010. · Annex VI on this site
| Index No | International Chemical Identification | EC No | CAS No | Classification | Labelling | Concentration Limits | Notes |
|---|---|---|---|---|---|---|---|
| 616-037-00-6 | acetochlor (ISO); 2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide | 251-899-3 | 34256-82-1 | Xn; R20 Xi; R37/38 R43 N; R50-53 | Xn; N R: 20-37/38-43-50/53 S: (2-)36/37-60-61 |
Cosmetics Regulation Annex II, Reference number 1631
Last changed in the version in force , by Regulation (EU) 2019/1966, the act that change names · Annex II on this site
| Reference number | Substance identification | ||
|---|---|---|---|
| Chemical name/INN | CAS number | EC number | |
| a | b | c | d |
| 1631 | Acetochlor (ISO); 2- chloro-N-(ethoxymethyl)-N-(2-ethyl-6- methylphenyl)acetamide | 34256-82-1 | 251-899-3 |
PIC Regulation Annex I, the entry for Acetochlor
Last changed in the version in force , by Regulation (EU) 2019/330, the act that change names · Annex I on this site
| Chemical | CAS No | EC No | CN code | Subcategory | Use limitation | Countries for which no notification is required |
|---|---|---|---|---|---|---|
| Acetochlor | 34256-82-1 | 251-899-3 | ex29242970 | p(1) | b |
PIC Regulation Annex I, table 2, the entry for Acetochlor
Last changed in the version in force , by Regulation (EU) 2019/330, the act that change names · Annex I on this site
| Chemical | CAS No | EC No | CN code | Category | Use limitation |
|---|---|---|---|---|---|
| Acetochlor | 34256-82-1 | 251-899-3 | ex29242970 | p | b |
Look up a number
Type a CAS or EC number, with or without its hyphens, or an Index No into the search box at the top of the page: it reads 50000 as CAS 50-00-0. Every number is also listed by act on the substances page.
Its history
· amended · CLP Annex VI section 3, Index No 616-037-00-6
Recorded in the version detected . The change on its version page
| Identifiers | Version | Index No | International Chemical Identification | EC No | CAS No | Classification | Labelling | Specific Conc. Limits, M-factors | Notes | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Hazard Class and Category Code(s) | Hazard statement Code(s) | Pictogram, Signal Word Code(s) | Hazard statement Code(s) | Suppl. Hazard statement Code(s) | ||||||||
| Index No 616-037-00-6CAS 34256-82-1EC 251-899-3 | Before | 616-037-00-6 | acetochlor (ISO); 2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide | 251-899-3 | 34256-82-1 | Acute Tox. 4 | H332 H335 H315 H317 H400 H410 | GHS07 GHS09 Wng | H332 H335 H315 H317 H410 | |||
| After | 616-037-00-6 | acetochlor (ISO); 2-chloro-N-(ethoxymethyl)-N-(2-ethyl-6-methylphenyl)acetamide | 251-899-3 | 34256-82-1 | Carc. 2 Repr. 2 Acute Tox. 4 STOT SE 3 STOT RE 2 Skin Irrit. 2 Skin Sens. 1 Aquatic Acute 1 Aquatic Chronic 1 | H351 H361f H332 H335 H373 (kidney) H315 H317 H400 H410 | GHS08 GHS07 GHS09 Wng | H351 H361f H332 H335 H373 (kidney) H315 H317 H410 | M = 1000 M = 100 | |||
· added · Cosmetics Regulation Annex II, Reference number 1631
Recorded in the version in force , by Regulation (EU) 2019/1966, the act that change names. The change on its version page
| Identifiers | Reference number | Substance identification | ||
|---|---|---|---|---|
| Chemical name/INN | CAS number | EC number | ||
| a | b | c | d | |
| Reference number 1631CAS 34256-82-1EC 251-899-3 | 1631 | Acetochlor (ISO); 2- chloro-N-(ethoxymethyl)-N-(2-ethyl-6- methylphenyl)acetamide | 34256-82-1 | 251-899-3 |
· added · PIC Regulation Annex I, the entry for Acetochlor
Recorded in the version in force , by Regulation (EU) 2019/330, the act that change names. The change on its version page
| Identifiers | Chemical | CAS No | Einecs No | CN code | Subcategory | Use limitation | Countries for which no notification is required |
|---|---|---|---|---|---|---|---|
| AcetochlorCAS 34256-82-1EC 251-899-3 | Acetochlor | 34256-82-1 | 251-899-3 | ex29242970 | p(1) | b |
· added · PIC Regulation Annex I, table 2, the entry for Acetochlor
Recorded in the version in force , by Regulation (EU) 2019/330, the act that change names. The change on its version page
| Identifiers | Chemical | CAS No | Einecs No | CN code | Category | Use limitation |
|---|---|---|---|---|---|---|
| AcetochlorCAS 34256-82-1EC 251-899-3 | Acetochlor | 34256-82-1 | 251-899-3 | ex29242970 | p | b |
Sources
- CLP: every version the record holds; rows read from EUR-Lex consolidated version 02008R1272-20270101, in force 1 January 2027 (external, EUR-Lex)
- Cosmetics Regulation: every version the record holds; rows read from EUR-Lex consolidated version 02009R1223-20260518, in force 18 May 2026 (external, EUR-Lex)
- PIC Regulation: every version the record holds; rows read from EUR-Lex consolidated version 02012R0649-20261001, in force 1 October 2026 (external, EUR-Lex)